Grace Digital GDI-AQRK400 Rock Speaker User Manual
Page 5
P.4
When the transmitter received an audio signal, the blue SIGNAL LED and the red POWER LED will
illuminate together. If the blue SIGNAL LED does not illuminate, ensure the audio source is turned on.
SPEAKER (RECEIVER)
1.
Plug in the power adapter with the rock speaker and AC power outlet to charge the lead acid
battery built inside the rock speaker. The battery pack must be charged at least 12 hours
before the first operation.
2.
The rock speaker can be operated either with power supplied by battery pack or from AC
outlet with connection of power adapter. When the power adapter is connected with AC outlet,
the battery pack will be simultaneously charged when the unit is in operation. Press On/Off
button and turn the speaker ON. The POWER LED will light up in green. Switch off the
speaker by pressing the ON/OFF button on the speaker, and the LED will be off.